/* ==========================================================================
   Case study template
   Shared by every project page. Same palette as the desktop (index.html):
   deep navy windows, XP-blue title bars, teal / pink / purple accents.
   ========================================================================== */

:root {
    --bg: #070b2a;
    --bg-grid: rgba(102, 255, 255, 0.045);
    --window: #0d1440;
    --window-2: #121b52;
    --line: rgba(102, 255, 255, 0.18);
    --line-strong: rgba(0, 255, 204, 0.55);
    --text: #eef1ff;
    --text-2: #b7bee6;
    --text-3: #8189b8;
    --teal: #00ffcc;
    --cyan: #66ffff;
    --pink: #ff66ff;
    --purple: #9933ff;
    --xp-1: #1084d0;
    --xp-2: #0c5a91;
    --accent: var(--teal);          /* per-project override on <body style="--accent:…"> */
    --radius: 10px;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
    --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', ui-monospace, monospace;
    --font-pixel: 'VT323', monospace;
    --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(153, 51, 255, 0.28), transparent 70%),
        linear-gradient(var(--bg-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
    background-size: 100% 100%, 32px 32px, 32px 32px;
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection { background: var(--purple); color: #fff; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #fff; }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }

img { max-width: 100%; display: block; }

/* ---------- Top bar (desktop taskbar, pinned to the top) ---------- */

.cs-bar {
    position: sticky;
    top: 0;
    z-index: 50;
    height: 52px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    background: linear-gradient(to bottom, var(--xp-1), var(--xp-2));
    border-bottom: 1px solid #5aabde;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
    font-family: var(--font-mono);
    font-size: 13px;
}

.cs-bar a { color: #fff; text-decoration: none; }

.cs-start {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 6px;
    background: linear-gradient(to bottom, #5aabde, #3b89b9);
    border: 1px solid #0c5a91;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
    white-space: nowrap;
    transition: filter 0.15s ease;
}
.cs-start:hover { filter: brightness(1.12); color: #fff; }

.cs-crumb {
    color: rgba(255, 255, 255, 0.85);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.cs-bar-nav {
    margin-left: auto;
    display: flex;
    gap: 6px;
}

.cs-bar-nav a {
    padding: 6px 10px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.18);
    white-space: nowrap;
}
.cs-bar-nav a:hover { background: rgba(0, 0, 0, 0.32); }

.cs-progress {
    position: absolute;
    left: 0;
    bottom: -1px;
    height: 2px;
    width: 0;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

/* ---------- Layout ---------- */

.cs-wrap {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Hero ---------- */

.cs-hero {
    padding: 72px 0 40px;
}

.cs-kicker {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 0.04em;
    margin-bottom: 14px;
}
.cs-kicker::before { content: '> '; color: var(--pink); }

.cs-title {
    font-family: var(--font-pixel);
    font-weight: 400;
    font-size: clamp(56px, 11vw, 112px);
    line-height: 0.9;
    letter-spacing: 0.01em;
    color: #fff;
    text-shadow: 0 0 24px color-mix(in srgb, var(--accent) 45%, transparent);
    margin-bottom: 18px;
}

.cs-lede {
    font-size: clamp(19px, 2.4vw, 24px);
    line-height: 1.5;
    color: var(--text);
    max-width: 760px;
    margin-bottom: 28px;
}

.cs-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

.cs-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 18px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 14px;
    text-decoration: none;
    color: #04102a;
    background: var(--accent);
    border: 1px solid var(--accent);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.cs-btn:hover { color: #04102a; transform: translateY(-2px); box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 35%, transparent); }
.cs-btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.cs-btn.ghost:hover { color: #fff; border-color: var(--accent); }

.cs-meta {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(13, 20, 64, 0.7);
    overflow: hidden;
}
.cs-meta > div { padding: 16px 18px; border-right: 1px solid var(--line); }
.cs-meta > div:last-child { border-right: 0; }
.cs-meta dt {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
    margin-bottom: 4px;
}
.cs-meta dd { font-size: 15px; line-height: 1.45; color: var(--text); }

.cs-hero-media {
    margin-top: 40px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.cs-hero-media img { width: 100%; height: auto; }

/* ---------- Stats ---------- */

.cs-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin: 8px 0 24px;
}
.cs-stat {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(13, 20, 64, 0.7);
}
.cs-stat b {
    display: block;
    font-family: var(--font-pixel);
    font-weight: 400;
    font-size: 46px;
    line-height: 1;
    color: var(--accent);
    margin-bottom: 6px;
}
.cs-stat span { font-size: 14px; line-height: 1.45; color: var(--text-2); display: block; }

/* ---------- Section "windows" ---------- */

.cs-window {
    margin: 36px 0;
    background: rgba(13, 20, 64, 0.88);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.cs-window-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    background: linear-gradient(to bottom, var(--xp-1), var(--xp-2));
    border-bottom: 1px solid #5aabde;
    font-family: var(--font-mono);
    font-size: 13px;
    color: #fff;
}
.cs-window-bar .dots { margin-left: auto; display: flex; gap: 6px; }
.cs-window-bar .dots i {
    width: 12px; height: 12px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4);
}
.cs-window-bar .dots i:nth-child(1) { background: #f5c451; }
.cs-window-bar .dots i:nth-child(2) { background: #49c46a; }
.cs-window-bar .dots i:nth-child(3) { background: #ec5f5f; }

.cs-window-body { padding: clamp(22px, 4vw, 44px); }

.cs-num {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--pink);
    margin-bottom: 6px;
    display: block;
}

.cs-window h2 {
    font-family: var(--font-pixel);
    font-weight: 400;
    font-size: clamp(38px, 5vw, 52px);
    line-height: 1;
    color: #fff;
    margin-bottom: 20px;
}

.cs-window h3 {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 500;
    color: var(--accent);
    margin: 32px 0 10px;
}
.cs-window h3:first-child { margin-top: 0; }

.cs-window p { color: var(--text-2); margin-bottom: 14px; max-width: 72ch; }
.cs-window p strong, .cs-window li strong { color: var(--text); font-weight: 600; }

.cs-window ul.cs-list { list-style: none; margin: 8px 0 16px; max-width: 72ch; }
.cs-list li { position: relative; padding-left: 22px; color: var(--text-2); margin-bottom: 8px; }
.cs-list li::before { content: '▸'; position: absolute; left: 0; color: var(--accent); }

/* ---------- Two column / cards ---------- */

.cs-split {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 36px;
    align-items: start;
}
.cs-split.reverse { grid-template-columns: 0.9fr 1.1fr; }
.cs-split > *, .cs-gallery > *, .cs-cards > * { min-width: 0; }
.cs-window code { font-family: var(--font-mono); font-size: 0.88em; color: var(--cyan); overflow-wrap: anywhere; }

.cs-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
    margin: 18px 0;
}
.cs-card {
    padding: 18px 20px;
    border-radius: var(--radius);
    background: var(--window-2);
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
}
.cs-card h4 {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 6px;
}
.cs-card p { font-size: 15px; line-height: 1.6; margin: 0; }
.cs-card .tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    margin-bottom: 8px;
}

/* ---------- Quotes ---------- */

.cs-quote {
    margin: 22px 0;
    padding: 18px 22px;
    border-left: 3px solid var(--pink);
    background: rgba(255, 102, 255, 0.06);
    border-radius: 0 var(--radius) var(--radius) 0;
    max-width: 72ch;
}
.cs-quote p { font-size: 18px; line-height: 1.55; color: var(--text); font-style: italic; margin: 0 0 6px; }
.cs-quote cite { font-family: var(--font-mono); font-size: 12px; font-style: normal; color: var(--text-3); }

/* ---------- Figures ---------- */

.cs-fig { margin: 22px 0; }
.cs-fig img, .cs-shots img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: #fff;
    cursor: zoom-in;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cs-fig img:hover { box-shadow: 0 0 0 1px var(--accent), 0 10px 30px rgba(0, 0, 0, 0.35); }
.cs-fig.dark img { background: transparent; }
figcaption {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-3);
    margin-top: 8px;
}
figcaption::before { content: '// '; color: var(--accent); }

.cs-gallery {
    display: grid;
    grid-template-columns: repeat(var(--cols, 3), 1fr);
    gap: 14px;
    margin: 22px 0;
}
.cs-gallery .cs-fig { margin: 0; }
.cs-gallery.crop img { aspect-ratio: 4 / 3; object-fit: cover; }

/* Phone screen strip: scrolls sideways on narrow screens */
.cs-shots {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(170px, 1fr);
    gap: 16px;
    margin: 22px 0;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
}
.cs-shots figure { scroll-snap-align: start; }
.cs-shots img { border-radius: 22px; border: 1px solid rgba(255, 255, 255, 0.15); }
.cs-shots figcaption { text-align: center; }
.cs-shots figcaption::before { content: ''; }
.cs-shots figcaption b { display: block; color: var(--text); font-weight: 500; }

.cs-shots::-webkit-scrollbar { height: 6px; }
.cs-shots::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }

/* ---------- Tables ---------- */

.cs-table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--line); border-radius: var(--radius); }
.cs-table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 480px; }
.cs-table th, .cs-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.cs-table th {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-3);
    background: var(--window-2);
}
.cs-table td { color: var(--text-2); }
.cs-table tr:last-child td { border-bottom: 0; }
.cs-table td.good { color: var(--teal); font-family: var(--font-mono); }

/* ---------- Code ---------- */

.cs-code {
    margin: 18px 0;
    padding: 18px 20px;
    border-radius: var(--radius);
    background: #040720;
    border: 1px solid var(--line);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    color: #d5dbff;
}
.cs-code .k { color: var(--pink); }
.cs-code .s { color: var(--teal); }
.cs-code .c { color: var(--text-3); }

/* ---------- Chips / swatches ---------- */

.cs-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.cs-chip {
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    color: var(--text);
    background: rgba(0, 255, 204, 0.06);
}

.cs-swatches { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin: 18px 0; }
.cs-swatch { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--window-2); }
.cs-swatch .chip { height: 86px; }
.cs-swatch div:last-child { padding: 12px 14px; }
.cs-swatch b { display: block; font-family: var(--font-mono); font-weight: 500; font-size: 14px; color: #fff; }
.cs-swatch span { font-size: 14px; color: var(--text-2); line-height: 1.5; }

/* ---------- Embeds ---------- */

.cs-embed {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    background: #000;
    margin: 20px 0;
}
.cs-embed.tall { aspect-ratio: 4 / 3; }
.cs-embed iframe, .cs-embed video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- Next project ---------- */

.cs-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 56px 0 24px;
}
.cs-next a {
    display: block;
    padding: 22px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: rgba(13, 20, 64, 0.88);
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.cs-next a:hover { border-color: var(--accent); transform: translateY(-2px); color: #fff; }
.cs-next small { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); display: block; margin-bottom: 4px; }
.cs-next span { font-family: var(--font-pixel); font-size: 34px; line-height: 1; }
.cs-next a:last-child { text-align: right; }

.cs-footer {
    padding: 28px 0 48px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-3);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
}

/* ---------- Lightbox ---------- */

.cs-lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
    background: rgba(3, 5, 22, 0.92);
    backdrop-filter: blur(4px);
    cursor: zoom-out;
}
.cs-lightbox.open { display: flex; }
.cs-lightbox img { max-width: min(1400px, 100%); max-height: calc(100vh - 110px); object-fit: contain; border-radius: 8px; background: #fff; }
.cs-lightbox p { font-family: var(--font-mono); font-size: 13px; color: var(--text-2); text-align: center; max-width: 80ch; }
.cs-lightbox button {
    position: absolute; top: 16px; right: 16px;
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--line-strong); background: var(--window);
    color: #fff; font-size: 20px; cursor: pointer;
}

/* ---------- Reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .cs-meta { grid-template-columns: repeat(2, 1fr); }
    .cs-meta > div:nth-child(2) { border-right: 0; }
    .cs-meta > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .cs-split, .cs-split.reverse { grid-template-columns: 1fr; gap: 8px; }
    .cs-gallery { --cols: 2 !important; }
    .cs-crumb { display: none; }
}

@media (max-width: 600px) {
    body { font-size: 16px; }
    .cs-wrap { padding: 0 16px; }
    .cs-hero { padding-top: 44px; }
    .cs-meta { grid-template-columns: 1fr; }
    .cs-meta > div { border-right: 0; border-bottom: 1px solid var(--line); }
    .cs-meta > div:last-child { border-bottom: 0; }
    .cs-gallery { --cols: 1 !important; }
    .cs-gallery.keep-2 { --cols: 2 !important; }
    .cs-shots { grid-auto-columns: 62%; }
    .cs-next { grid-template-columns: 1fr; }
    .cs-next a:last-child { text-align: left; }
    .cs-bar-nav a.hide-sm { display: none; }
    .cs-window { margin: 24px 0; }
}

/* ---------- Inside the desktop's built-in browser ---------- */
.in-fatos .cs-start,
.in-fatos .cs-footer a[href^="index.html"] { display: none; }